linux-kernel - Re: [PATCH net v1] net: atm: fix crash due to unvalidated vcc pointer in sigd

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Message-Id: 
 <177072000533.3455745.207010128594113653.git-patchwork-notify@kernel.org>
Date: Tue, 10 Feb 2026 10:40:05 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jiayuan Chen <jiayuan.chen@...ux.dev>
Cc: netdev@...r.kernel.org, jiayuan.chen@...pee.com,
 syzbot+1f22cb1769f249df9fa0@...kaller.appspotmail.com, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v1] net: atm: fix crash due to unvalidated vcc pointer
 in
 sigd_send()

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Thu,  5 Feb 2026 17:54:51 +0800 you wrote:
> From: Jiayuan Chen <jiayuan.chen@...pee.com>
> 
> Reproducer available at [1].
> 
> The ATM send path (sendmsg -> vcc_sendmsg -> sigd_send) reads the vcc
> pointer from msg->vcc and uses it directly without any validation. This
> pointer comes from userspace via sendmsg() and can be arbitrarily forged:
> 
> [...]

Here is the summary with links:
  - [net,v1] net: atm: fix crash due to unvalidated vcc pointer in sigd_send()
    https://git.kernel.org/netdev/net/c/ae88a5d2f29b

You are awesome, thank you!
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